I'm pretty sure the answer is John Hay, but I could be wrong....
Answer:
Trying to prevent increasing tensions with Native neighbors
Explanation:
If colonists tried moving more west, natives could become disgruntled and attack colonists
A mixed economy is a mix of market and common economies.They have freedom
The draft laws allowed substitutes , meaning the rich could get out of serving in the army. this naturally made those who could't afford a substitute to be angered . ( typically, substitutes could be purchased for $300 -- and $300 in 1863 was a bout the equivalent to almost $6,000 in modern terms. <span />
My answer is C. Congress is required to meet at least once every year.
I hope I helped!